/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_07-ps_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 12:09:08,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-14 12:09:08,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-14 12:09:08,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-14 12:09:08,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-14 12:09:08,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-14 12:09:08,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-14 12:09:08,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-14 12:09:08,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-14 12:09:08,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-14 12:09:08,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-14 12:09:08,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-14 12:09:08,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-14 12:09:08,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-14 12:09:08,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-14 12:09:08,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-14 12:09:08,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-14 12:09:08,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-14 12:09:08,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-14 12:09:08,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-14 12:09:08,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-14 12:09:08,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 12:09:08,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 12:09:08,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 12:09:08,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 12:09:08,808 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 12:09:08,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 12:09:08,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 12:09:08,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 12:09:08,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:09:08,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-14 12:09:08,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 12:09:09,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 12:09:09,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 12:09:09,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 12:09:09,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 12:09:09,027 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 12:09:09,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_07-ps_nr.i [2021-10-14 12:09:09,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fc6c795/c67e1babf1b24ae59e5740e8898a1745/FLAG8876efd6f [2021-10-14 12:09:09,467 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 12:09:09,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_07-ps_nr.i [2021-10-14 12:09:09,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fc6c795/c67e1babf1b24ae59e5740e8898a1745/FLAG8876efd6f [2021-10-14 12:09:09,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fc6c795/c67e1babf1b24ae59e5740e8898a1745 [2021-10-14 12:09:09,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 12:09:09,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 12:09:09,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 12:09:09,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 12:09:09,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 12:09:09,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:09:09" (1/1) ... [2021-10-14 12:09:09,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a4de9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:09, skipping insertion in model container [2021-10-14 12:09:09,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:09:09" (1/1) ... [2021-10-14 12:09:09,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 12:09:09,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 12:09:10,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:09:10,159 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 12:09:10,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:09:10,240 INFO L208 MainTranslator]: Completed translation [2021-10-14 12:09:10,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10 WrapperNode [2021-10-14 12:09:10,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 12:09:10,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 12:09:10,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 12:09:10,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 12:09:10,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 12:09:10,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 12:09:10,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 12:09:10,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 12:09:10,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 12:09:10,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 12:09:10,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 12:09:10,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 12:09:10,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (1/1) ... [2021-10-14 12:09:10,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:09:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 12:09:10,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-14 12:09:10,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-14 12:09:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 12:09:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 12:09:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 12:09:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-14 12:09:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-14 12:09:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-14 12:09:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 12:09:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 12:09:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 12:09:10,413 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 12:09:10,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 12:09:10,623 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-14 12:09:10,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:09:10 BoogieIcfgContainer [2021-10-14 12:09:10,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 12:09:10,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 12:09:10,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 12:09:10,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 12:09:10,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:09:09" (1/3) ... [2021-10-14 12:09:10,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6516c4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:09:10, skipping insertion in model container [2021-10-14 12:09:10,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:09:10" (2/3) ... [2021-10-14 12:09:10,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6516c4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:09:10, skipping insertion in model container [2021-10-14 12:09:10,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:09:10" (3/3) ... [2021-10-14 12:09:10,630 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_07-ps_nr.i [2021-10-14 12:09:10,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 12:09:10,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-14 12:09:10,634 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 12:09:10,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,669 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,672 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,673 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,674 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,676 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,676 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,677 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:09:10,689 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 12:09:10,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 12:09:10,723 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-14 12:09:10,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-14 12:09:10,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 147 flow [2021-10-14 12:09:10,757 INFO L129 PetriNetUnfolder]: 3/70 cut-off events. [2021-10-14 12:09:10,757 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:09:10,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 70 events. 3/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-10-14 12:09:10,760 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 71 transitions, 147 flow [2021-10-14 12:09:10,766 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 70 transitions, 143 flow [2021-10-14 12:09:10,777 INFO L129 PetriNetUnfolder]: 2/53 cut-off events. [2021-10-14 12:09:10,777 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:09:10,777 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:10,778 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:09:10,778 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 12:09:10,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:10,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1305400639, now seen corresponding path program 1 times [2021-10-14 12:09:10,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:10,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455712643] [2021-10-14 12:09:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:10,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:10,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:10,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455712643] [2021-10-14 12:09:10,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455712643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:10,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:10,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:09:10,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784869920] [2021-10-14 12:09:10,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:10,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:10,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:11,001 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 71 [2021-10-14 12:09:11,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 143 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:11,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 71 [2021-10-14 12:09:11,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:11,073 INFO L129 PetriNetUnfolder]: 37/214 cut-off events. [2021-10-14 12:09:11,073 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-14 12:09:11,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 214 events. 37/214 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 795 event pairs, 14 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 261. Up to 54 conditions per place. [2021-10-14 12:09:11,078 INFO L132 encePairwiseOnDemand]: 65/71 looper letters, 11 selfloop transitions, 5 changer transitions 2/76 dead transitions. [2021-10-14 12:09:11,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 76 transitions, 189 flow [2021-10-14 12:09:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2021-10-14 12:09:11,087 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9295774647887324 [2021-10-14 12:09:11,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:11,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,102 INFO L186 Difference]: Start difference. First operand has 71 places, 70 transitions, 143 flow. Second operand 3 states and 198 transitions. [2021-10-14 12:09:11,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 76 transitions, 189 flow [2021-10-14 12:09:11,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 76 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-14 12:09:11,108 INFO L242 Difference]: Finished difference. Result has 74 places, 73 transitions, 178 flow [2021-10-14 12:09:11,109 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=74, PETRI_TRANSITIONS=73} [2021-10-14 12:09:11,110 INFO L334 CegarLoopForPetriNet]: 71 programPoint places, 3 predicate places. [2021-10-14 12:09:11,110 INFO L470 AbstractCegarLoop]: Abstraction has has 74 places, 73 transitions, 178 flow [2021-10-14 12:09:11,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,110 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:11,110 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:09:11,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 12:09:11,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 12:09:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash 287175328, now seen corresponding path program 1 times [2021-10-14 12:09:11,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:11,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521239701] [2021-10-14 12:09:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:11,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:11,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:11,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521239701] [2021-10-14 12:09:11,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521239701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:11,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:11,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-14 12:09:11,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794018132] [2021-10-14 12:09:11,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:11,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:11,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:11,159 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 71 [2021-10-14 12:09:11,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 73 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:11,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 71 [2021-10-14 12:09:11,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:11,184 INFO L129 PetriNetUnfolder]: 9/149 cut-off events. [2021-10-14 12:09:11,184 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-10-14 12:09:11,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 149 events. 9/149 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 456 event pairs, 2 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 173. Up to 19 conditions per place. [2021-10-14 12:09:11,185 INFO L132 encePairwiseOnDemand]: 68/71 looper letters, 5 selfloop transitions, 1 changer transitions 1/73 dead transitions. [2021-10-14 12:09:11,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 73 transitions, 192 flow [2021-10-14 12:09:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2021-10-14 12:09:11,194 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9248826291079812 [2021-10-14 12:09:11,194 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 197 transitions. [2021-10-14 12:09:11,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 197 transitions. [2021-10-14 12:09:11,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:11,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 197 transitions. [2021-10-14 12:09:11,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,196 INFO L186 Difference]: Start difference. First operand has 74 places, 73 transitions, 178 flow. Second operand 3 states and 197 transitions. [2021-10-14 12:09:11,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 73 transitions, 192 flow [2021-10-14 12:09:11,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 73 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-14 12:09:11,198 INFO L242 Difference]: Finished difference. Result has 75 places, 72 transitions, 171 flow [2021-10-14 12:09:11,199 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2021-10-14 12:09:11,199 INFO L334 CegarLoopForPetriNet]: 71 programPoint places, 4 predicate places. [2021-10-14 12:09:11,199 INFO L470 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 171 flow [2021-10-14 12:09:11,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:11,200 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:09:11,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-14 12:09:11,200 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 12:09:11,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:11,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1657667917, now seen corresponding path program 1 times [2021-10-14 12:09:11,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:11,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406279146] [2021-10-14 12:09:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:11,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:11,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:11,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406279146] [2021-10-14 12:09:11,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406279146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:11,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:11,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-14 12:09:11,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795351877] [2021-10-14 12:09:11,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:11,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:11,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:11,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:11,273 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 71 [2021-10-14 12:09:11,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:11,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 71 [2021-10-14 12:09:11,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:11,322 INFO L129 PetriNetUnfolder]: 33/257 cut-off events. [2021-10-14 12:09:11,322 INFO L130 PetriNetUnfolder]: For 25/31 co-relation queries the response was YES. [2021-10-14 12:09:11,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 257 events. 33/257 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1138 event pairs, 11 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 367. Up to 56 conditions per place. [2021-10-14 12:09:11,323 INFO L132 encePairwiseOnDemand]: 65/71 looper letters, 11 selfloop transitions, 5 changer transitions 6/79 dead transitions. [2021-10-14 12:09:11,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 79 transitions, 235 flow [2021-10-14 12:09:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2021-10-14 12:09:11,329 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9295774647887324 [2021-10-14 12:09:11,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:11,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 198 transitions. [2021-10-14 12:09:11,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,331 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,331 INFO L186 Difference]: Start difference. First operand has 75 places, 72 transitions, 171 flow. Second operand 3 states and 198 transitions. [2021-10-14 12:09:11,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 79 transitions, 235 flow [2021-10-14 12:09:11,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 79 transitions, 231 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-10-14 12:09:11,333 INFO L242 Difference]: Finished difference. Result has 77 places, 72 transitions, 193 flow [2021-10-14 12:09:11,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2021-10-14 12:09:11,334 INFO L334 CegarLoopForPetriNet]: 71 programPoint places, 6 predicate places. [2021-10-14 12:09:11,334 INFO L470 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 193 flow [2021-10-14 12:09:11,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,334 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:09:11,334 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:09:11,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-14 12:09:11,335 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-14 12:09:11,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:09:11,335 INFO L82 PathProgramCache]: Analyzing trace with hash 498464205, now seen corresponding path program 1 times [2021-10-14 12:09:11,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:09:11,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88871688] [2021-10-14 12:09:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:09:11,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:09:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:09:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:09:11,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:09:11,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88871688] [2021-10-14 12:09:11,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88871688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:09:11,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:09:11,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-14 12:09:11,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540290166] [2021-10-14 12:09:11,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-14 12:09:11,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:09:11,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-14 12:09:11,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-14 12:09:11,396 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 71 [2021-10-14 12:09:11,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:09:11,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 71 [2021-10-14 12:09:11,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:09:11,436 INFO L129 PetriNetUnfolder]: 1/109 cut-off events. [2021-10-14 12:09:11,437 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-10-14 12:09:11,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 109 events. 1/109 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 131 event pairs, 1 based on Foata normal form. 2/109 useless extension candidates. Maximal degree in co-relation 120. Up to 11 conditions per place. [2021-10-14 12:09:11,437 INFO L132 encePairwiseOnDemand]: 67/71 looper letters, 0 selfloop transitions, 0 changer transitions 66/66 dead transitions. [2021-10-14 12:09:11,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 66 transitions, 179 flow [2021-10-14 12:09:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-14 12:09:11,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-14 12:09:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2021-10-14 12:09:11,438 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9154929577464789 [2021-10-14 12:09:11,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 195 transitions. [2021-10-14 12:09:11,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 195 transitions. [2021-10-14 12:09:11,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:09:11,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 195 transitions. [2021-10-14 12:09:11,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 71.0) internal successors, (284), 4 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,441 INFO L186 Difference]: Start difference. First operand has 77 places, 72 transitions, 193 flow. Second operand 3 states and 195 transitions. [2021-10-14 12:09:11,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 66 transitions, 179 flow [2021-10-14 12:09:11,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 66 transitions, 155 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-10-14 12:09:11,442 INFO L242 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2021-10-14 12:09:11,442 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2021-10-14 12:09:11,442 INFO L334 CegarLoopForPetriNet]: 71 programPoint places, 0 predicate places. [2021-10-14 12:09:11,442 INFO L470 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2021-10-14 12:09:11,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-14 12:09:11,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:11,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 12:09:11,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:11,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:09:11,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-14 12:09:11,450 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 12:09:11,451 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 12:09:11,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:09:11 BasicIcfg [2021-10-14 12:09:11,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 12:09:11,455 INFO L168 Benchmark]: Toolchain (without parser) took 1620.97 ms. Allocated memory was 194.0 MB in the beginning and 277.9 MB in the end (delta: 83.9 MB). Free memory was 143.2 MB in the beginning and 249.7 MB in the end (delta: -106.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:11,455 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 194.0 MB. Free memory was 161.0 MB in the beginning and 160.9 MB in the end (delta: 143.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:11,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.19 ms. Allocated memory is still 194.0 MB. Free memory was 143.1 MB in the beginning and 154.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:11,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.94 ms. Allocated memory is still 194.0 MB. Free memory was 154.7 MB in the beginning and 152.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:11,457 INFO L168 Benchmark]: Boogie Preprocessor took 37.84 ms. Allocated memory is still 194.0 MB. Free memory was 152.4 MB in the beginning and 151.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:11,460 INFO L168 Benchmark]: RCFGBuilder took 294.33 ms. Allocated memory is still 194.0 MB. Free memory was 151.0 MB in the beginning and 139.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-14 12:09:11,460 INFO L168 Benchmark]: TraceAbstraction took 826.72 ms. Allocated memory was 194.0 MB in the beginning and 277.9 MB in the end (delta: 83.9 MB). Free memory was 138.9 MB in the beginning and 249.7 MB in the end (delta: -110.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:09:11,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 194.0 MB. Free memory was 161.0 MB in the beginning and 160.9 MB in the end (delta: 143.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 408.19 ms. Allocated memory is still 194.0 MB. Free memory was 143.1 MB in the beginning and 154.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.94 ms. Allocated memory is still 194.0 MB. Free memory was 154.7 MB in the beginning and 152.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.84 ms. Allocated memory is still 194.0 MB. Free memory was 152.4 MB in the beginning and 151.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 294.33 ms. Allocated memory is still 194.0 MB. Free memory was 151.0 MB in the beginning and 139.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 826.72 ms. Allocated memory was 194.0 MB in the beginning and 277.9 MB in the end (delta: 83.9 MB). Free memory was 138.9 MB in the beginning and 249.7 MB in the end (delta: -110.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 732.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 265.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 39 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 43 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 88.9ms SatisfiabilityAnalysisTime, 194.8ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 12:09:11,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...